find the value of a if 9 x3-ax2+x+3
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a=-7
answer is a=-7
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answer is a=-7
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My answer.. a=15.. (9×3)-(a×2)+x+3=0
27-2a+3=-x
-2a= -30-x
2a=30+x
a= (30+x ) /2
27-2a+3=-x
-2a= -30-x
2a=30+x
a= (30+x ) /2
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